WO2008081554A1 - 各種植物および微生物の水質浄化機能を利用した富栄養化汚染水域の総合的水質改善システム - Google Patents
各種植物および微生物の水質浄化機能を利用した富栄養化汚染水域の総合的水質改善システム Download PDFInfo
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- WO2008081554A1 WO2008081554A1 PCT/JP2006/326411 JP2006326411W WO2008081554A1 WO 2008081554 A1 WO2008081554 A1 WO 2008081554A1 JP 2006326411 W JP2006326411 W JP 2006326411W WO 2008081554 A1 WO2008081554 A1 WO 2008081554A1
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- Prior art keywords
- water
- microorganisms
- quality improvement
- various plants
- plants
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/327—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae characterised by animals and plants
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Definitions
- This invention uses a variety of useful plants and microorganisms existing in nature in a complex and comprehensive manner, and wastewater that has deteriorated in water quality due to eutrophication pollution based on nitrogen and phosphorus mainly from domestic wastewater. It is related to a new water quality improvement system that cleans the area without causing any environmental impact. Background art
- This floating island unit is basically a combination of a buoyancy structure base and a net-like structure, but there are generally two types of materials currently used for floating island units.
- Patent Document 1 Japanese Patent Laid-Open No. 2 0 0 4-2 3 7 1 4 1
- Ainud is certainly strong and resistant to spoilage, but if we try to use the material to make an effective water quality purification floating island, it will be renewed.
- Capital investment of hundreds of millions of yen will be required.
- the cost for manufacturing a l m X l m floating island base will be approximately 10 to 200,000 yen.
- the wind is strong on a large surface of a lake such as a lake, so it is not stable on a floating island with a small footprint, and is not suitable for growing tall plants with excellent water purification capabilities.
- material deterioration due to exposure to sunlight is fast, and the floating island material itself may cause water pollution, and it may be easily destroyed if ships touch it in a state of insufficient strength. .
- budgetary restrictions are imposed, and the area of floating islands is inevitably limited to a limited area of the water area where water quality needs to be improved, and there are relatively small areas such as ponds and swamps. In the water area, even if the water purification effect is confirmed at the experimental level, it is impossible to effectively achieve the water purification of the whole large water area such as a lake.
- the present invention was devised as a result of repeated research, experimentation, and examination to solve the problems in the prior art as described above.
- recycled materials such as waste tires are used.
- various new devices are accumulated to realize a comprehensive water quality improvement system that is most suitable for the specific conditions of the site. Specifically, it is as follows.
- Water quality purification function of various plants and microorganisms which can be selected and adhered in accordance with the environmental conditions of the plant, and can simultaneously improve the water quality at the water surface, underwater, and bottom.
- a comprehensive water quality improvement system for eutrophication-polluted water is provided.
- the overall buoyancy is increased by adopting a structure in which buoyancy materials such as waste foamed steel can be fixed in the hollow part of the center of the waste tire used as a buoyancy structure member.
- buoyancy materials such as waste foamed steel can be fixed in the hollow part of the center of the waste tire used as a buoyancy structure member.
- a buoyant material such as waste foamed polystyrene in the hollow portion at the center of the waste tire
- a wire netting material such as stainless steel is used, and various plants and microorganisms described in the above (3) are used.
- a spacer made of a material that also serves as a cushioning material is disposed to form a space of about 2 to 5 cm between the wire mesh material such as stainless steel and the surface of the waste tire.
- buoyancy material such as waste foamed polystyrene is fixed in the hollow portion at the center of the waste tire, and the buoyancy material contained in the hollow portion is sandwiched between the upper and lower sides with a metal mesh material and firmly fixed by fixing means such as bolts and nuts.
- buoyant materials such as waste foam foam are packed in a bag made of breathable and stretchable materials, they are further packed in a natural rubber bag that does not allow water to pass through.
- the lower part of the main body of the plant floating island, anchors, weights, and connecting members are all made of a material with a large contact area with water, thereby maximizing the water purification function of various plants and microorganisms.
- the bottom of the water purification tank is laid with a material that uses a porous surface material to create a suitable environment for plant growth and microbial growth,
- the treated purified water is drained to the installation water area so that it does not mix with the sewage before treatment, and therefore, the water purification process itself is designed to use no artificial energy at all.
- Microorganisms having water purification functions fungi that degrade proteins and fats, fungi that degrade plant fibers, fungi that fix nitrogen in the air and water, fungi that absorb salt
- the water quality of various plants and microorganisms as described in any one of the above items (1) to (14), wherein one or a combination of a plurality of species is selected according to the condition of the water area A comprehensive water quality improvement system for eutrophied sewage water using the purification function.
- waste tires, tubes, and waste polystyrene as buoyancy structural members of plant floating islands, we can obtain materials that are free from the risk of toxic substances such as chemical substances and environmental hormones from being dissolved in the applicable water areas at low cost. It can be used in large quantities, and an effective water quality improvement effect can be quickly realized even in a wide range of applicable water areas.
- the buoyancy material such as waste foamed polystyrene can be fixed in the hollow part of the center of the waste tire used as a buoyancy structure member, so that the overall buoyancy is increased. Even if a heavy object is placed on the structural member It becomes possible to float on the surface of the water. That is, by using a member having such a structure, it is possible to continue to float on the water surface even if a heavy object is placed thereon, and a safe structure can be achieved even if a person or the like is placed thereon.
- a buoyancy material using waste expanded polystyrene can be fixed in the hollow part of the center to achieve a buoyancy improvement of 30% or more, and several buoyancy structures If you use things, you will be able to fully support the people who work.
- a stainless steel or other metal mesh material is also formed with a recessed saddle that follows the shape of the hollow part at the center of the waste tire.
- buoyancy material such as waste polystyrene foam
- a bag made of breathable and stretchable material After filling buoyancy material such as waste polystyrene foam into a bag made of breathable and stretchable material, it is further packed into a natural rubber bag that does not allow water to pass through, and it is finely packed inside the waste tire. This makes it possible to appropriately eliminate the difficulty of packing that occurs when crushed waste polystyrene foam is packed inside the waste tire.
- the finely crushed polystyrene foam is very light and slippery, so it is difficult to pack a sufficient amount inside the waste tire. Therefore, for example, a bag made of a material with sufficient breathability and stretchability, such as stockings, is first used to pack waste foamed polystyrene that has been finely squeezed at the required density, and the bag is further natural. It was packed in a separate rubber bag and filled inside the waste tire.
- the filled polystyrene itself is not immersed in water, and sufficient buoyancy can be imparted to the waste tire in a stable state for a long period of time.
- the bottom of the main body of the plant floating island, the anchor, the weight, and the connecting member are all in contact with water Because it is made of a material with a large volume, it is designed to make the most of the water purification function of various plants and microorganisms. Water quality improvement effect can be realized by utilizing the natural purification power of microorganisms.
- the anchor is made of stone with a porous surface and is equipped with a dredging structure and an acute angle structure so that it can be easily fixed to the bottom of the installation site. Floating islands can be properly secured at the installation site by anchor dredging effects, and can be realized in water areas aiming for desirable water quality improvement effects.
- Various plants and microorganisms to be used are selected according to the state of sewage to be treated, and the treated purified water is drained into the installation water area so that it does not mix with the sewage before treatment, and therefore the water purification treatment itself Is designed not to use human energy at all, so that the natural topography of the application site, such as a step, can be used to the maximum while oxygen, etc., necessary for the activities of plants and microorganisms.
- Use Incorporated into the treated water using the aerobic equipment, and operating the water quality improvement system in the domestic wastewater contaminated water area in harmony with the surrounding natural landscape without using any artificial energy and functioning effectively over a long period of time Is possible.
- ⁇ As a plant with water purification function, it is suitable for hydroponics, has high nitrogen and phosphorus absorption capacity, has excellent production control, has good harvestability, and does not adversely affect the surrounding ecosystem.
- the entire water quality improvement system can be adapted to the conditions of the application location, and it will not be superior in power, effectiveness or economics, but only using the natural environment and natural materials. Nevertheless, it will be able to achieve a performance that is not inferior to that of an artificial water quality improvement system.
- ⁇ By selecting either roses, edible fragrances, coryus, or kenaf as plants that have water purification functions, the scenic nature of the applicable water area is excellent while absorbing phosphorus and nitrogen derived from domestic wastewater.
- microorganisms excellent in their degradation function are mainly used in water areas contaminated with a large amount of protein and fat, and microorganisms suitable for the decomposition of soot in contaminated water areas due to a large amount of fiber discharged.
- microorganisms with excellent salt absorption ability are used in the contaminated water area due to salt damage.
- microorganisms and bacteria with excellent decomposing ability for such specific substances are known, but the most appropriate one should be selected according to the actual environmental conditions of the contaminated water area. In addition, a mixture of various microorganisms and bacteria should be combined in the complex contaminated water area to give the desired water quality improvement effect.
- the system of the present invention can arrange various kinds of plants, microorganisms, bacteria, etc. at desired positions such as water surface, water, water bottom, etc., and allow them to grow and reproduce properly, resulting in complicated and diverse environmental conditions.
- the water purification function that is most suitable for the situation of the contaminated water area can be realized.
- Fig. 1 is a schematic illustration of the basic unit structure of the plant floating island of the present invention.
- Fig. 2 shows the case where a plurality of basic structures are connected and actually installed in the applicable water area. It is explanatory drawing which showed one example of.
- 1 is a plant floating island
- 2 is a buoyancy structure
- 3 is a waste tire
- 4 is a styrene foam fragment
- 5 is a breathable and elastic bag
- 6 is a natural rubber sealed bag Body
- 7 is a hollow portion in the center of the waste tire
- 8 is a recessed saddle
- 9 is a water surface
- 10 is a wire mesh member
- 1 is a space
- 1 is a spacer
- 1 is a connecting material
- 1 4 is a floating island work passage.
- the system of the present invention is mainly intended to purify the water quality of polluted water that has been eutrophied by nitrogen gallium derived from domestic wastewater, and can be obtained at low cost in order to efficiently purify the entire large contaminated water area.
- Inexpensive structural materials such as recycled materials While using it, eliminate artificial materials as much as possible so as not to adversely affect the natural environment, and the effective water purification function utilizes the ability to decompose and absorb natural plants, microorganisms, bacteria, etc. Is.
- the size of the tires may be for ordinary passenger cars or large vehicles.
- the diameter will be several tens of centimeters to l ni, but if these parts are filled with buoyant material such as a foamed steel mouth that is close to the air and has buoyancy, there is no gap between them. It has been confirmed that a buoyancy of around 30 to 4 O kg can be obtained per tire.
- Styrofoam is preferred as the buoyancy material, but it is sufficient to recycle discarded materials.
- the expanded polystyrene In order to fill the inside of the tire without gaps as described above, it is necessary to use the expanded polystyrene in a fine granular form having a diameter of several centimeters or less, preferably about 1 cm or less, not as a large lump.
- crushed foam or styrene foam is packed in a bag made of materials that can be used stably for a long time, such as those made of natural rubber, and do not dissolve chemicals that may adversely affect the environment. Therefore, it is necessary to fill the inside of the tire.
- the buoyancy material used in the present invention is basically produced in this way.
- the buoyancy structure based on the waste tire and waste foam mouthpiece produced in this way can float on the water surface with the same buoyancy as a normal tire filled with air. And even air over a long period of more than a few years Leakage does not reduce buoyancy, and chemical substances that contaminate applicable water areas do not elute.
- the floating island for plant growth used in the present invention is composed of a combination of a plurality of buoyancy structures based on such waste tires and waste styrofoam as a base material, and the buoyancy as a whole is sufficient. It is formed so as to obtain The method of combination is applicable.
- the situation of the water area to be applied is not a problem if it is considered that an appropriate one is selected in relation to the type and weight of the plant to be grown.
- a buoyancy of about 20 to 3 O kg can be obtained with one buoyancy structure of the present invention using waste tires, so it is easy to float on the water surface while growing about a year-long plant. is there.
- a structure in which the weight is dispersed among multiple buoyancy structures is adopted. It has been experimentally confirmed that a stable and safe state can be maintained even when a weight of around kg is partially applied. A method developed to further improve the buoyancy of the buoyancy structure employed in the present invention will be described.
- the waste tire has a donut shape with a hollow center portion, even if the crushed foamed polystyrene can be sufficiently filled inside the tire, no buoyancy can be produced in the hollow portion. Is understood. Therefore, it is desirable to further increase the total amount of buoyancy per buoyancy structure in places where heavy objects of a certain level or more are to be placed or used as workers' movement paths. Therefore, in the present invention, a method for increasing the buoyancy of the buoyancy structure as a whole by fixing the buoyancy material appropriately collected using a bag as described above to the hollow portion of the center of the tire. Has also been proposed.
- the upper and lower sides of the buoyant material housed in the hollow part of the tire are sandwiched by using a metal mesh material such as stainless steel, and are integrated by utilizing known fixing means using bolts, nuts, etc. .
- a metal mesh material such as stainless steel
- this structure with improved buoyancy can support a considerable number of heavy objects with a smaller number, and is preferably used for a work passage when carrying out the present invention. is there.
- the buoyancy material constructed on the basis of the waste tire and the waste foamed polystyrene as described above will be equipped with a structure for actually growing plants within the practical buoyancy range.
- the plant root In the present invention, it is necessary to absorb the nitrogen content and phosphorus content of the applied water area through the root of the plant to be grown, and therefore the plant root must have a structure that can actually absorb moisture from the applied water area. .
- the roots of the plants to be adopted must be in direct contact with eutrophied contaminated water.
- plants are planted in a net-shaped cocoon member so that the water in the applicable water area that permeates through the net touches the roots.
- normal soil used as the soil for planting, it will melt through the mesh and pollute the water area, and if the soil flows out, the plant itself cannot continue to grow. Even if soil that does not flow out remains, the roots of the plants remain immersed in the water, so they cannot breathe and cannot grow normally.
- a new soil material that does not flow out from the mesh of the cocoon member and that can supply oxygen to the roots of the plant for a long period of time is adopted. That is, it is a ceramic granular material having at least a surface porous structure and having a particle size larger than the mesh of the collar member. Such a porous ceramic material can also be obtained in large quantities at a low cost as a recycled material for waste ceramics. In the present invention, it is only necessary to process the particles so as to have a particle size equal to or larger than that of the mesh. Since porous ceramics retain air in their micropores, plant roots can use this to respire and therefore normally grow when the roots are immersed in water. Even terrestrial plants that cannot be made will be able to grow effectively.
- terrestrial plants usually absorb 10 to 20 times more nitrogen and phosphorus than aquatic plants. It is known that the superiority of water purification using terrestrial plants can be understood.
- this porous ceramic material can be used in water and in the bottom of the water by changing its specific gravity, etc.
- the micropores can be used for various microorganisms and bacteria that can decompose various toxic substances and purify water. It can also be used as a suitable growth place.
- the porous ceramic material plays an important role in the present invention that purifies water quality of contaminated water areas by comprehensively utilizing the water purification function of various microorganisms and bacteria.
- FIG. 1 An example of the most basic structural schematic diagram of the plant floating island 1 of the present invention as described above is shown in FIG.
- the buoyancy structure 2 is formed on the basis of the waste tire 3 and the waste foamed polystyrene crushed pieces 4 filled therein, but the waste foamed polystyrene broken pieces 4 are stretchable and breathable.
- the waste foamed polystyrene 4 that has been granulated is filled into the waste tire 3 in a smooth enough amount and is sealed, so that it can be maintained for a long time without direct contact with water, and flows into the water area. There is nothing lost.
- the hollow portion 7 at the center of the waste tire 3 is fitted with a recessed indented portion 8 made of a stainless steel wire mesh material following the shape.
- a mixture of granulated materials is used as soil for the present invention, and various aquatic plants suitable for removing pollutants from the applicable water area are planted.
- About half of the recessed ridge part 8 will be submerged in the water below the water surface 9, and the moisture in the applicable water area will permeate into the soil of the porous ceramic granule material.
- the phosphorus content is absorbed by the plant roots for its growth.
- a metal mesh member 10 made of stainless steel or the like is also integrated with the recessed indented part 8 on the waste tire 3 which is a buoyancy structure, or is mounted separately. This is for growing various appropriate plants in the plant. Plants to be used in this part are those whose roots that grow through the mesh directly enter the water of the applied water area, and from there, it is desirable to absorb nitrogen, phosphorus and other pollutants together with moisture. However, it may be of a kind close to aquatic plants that can be expected to grow normally. Furthermore, in this case, a space 11 is formed so that a slight space 11 is formed between the surface of the waste tire 3 and the wire mesh member 10 so as not to prevent the roots from growing through the gaps of the mesh. Install Sir 1 2 in advance.
- the spacer 12 is preferably made of a material that can also serve as a cushioning material for the waste tire 3 and the wire mesh member 10. It is the actual use situation of the present invention that a plurality of basic components of such a plant floating island 1 are combined in a bowl shape and installed in a wide range of applicable water areas. An example is shown in Fig. 2. In other words, a plurality of basic components are connected using the connecting material 13 to form a large plant floating island 1 as a whole.
- the connecting material 13 should be selected to be light and strong enough, but from the gist of the present invention, a material that adversely affects the applied water environment should not be used. In addition, recycled materials that can be obtained at low cost should be used so that they can be applied to a wide range of water bodies at low cost.
- the overall shape of the plant floating island 1 that combines multiple basic components can be freely determined according to the topography of the contaminated water area to which it is actually applied.
- Plant Ukijima 1 in order to achieve an effective water quality improvement effect for a large polluted water area, it is necessary to apply Plant Ukijima 1 within a reasonable range, and in that respect, cost reduction through the recycling of waste
- the realization of the present invention can actually achieve an effective effect that exceeds the contents of laboratory implementation.
- Floating island work passages 14 are designed so that the weight is applied to the combination of basic structures that improve buoyancy as described above, so there will be no hindrance to traffic of workers. .
- the present invention is not limited to improving water quality using various plants grown on the floating island 1, but also includes anchors, weights, and other components for fixing the floating island 1 to the water area.
- various aquatic plants, aquatic plants, microorganisms, bacteria, etc. are selected and combined according to the application conditions, so that not only the surface of the water but also the underwater
- comprehensive waterside environmental purification is achieved by improving the water quality improvement effect at the bottom and the bottom of the water.
- the present invention proposes a more effective water quality improvement system by utilizing not only plant floating islands but also some topographical conditions of the applicable water area.
- the water area is divided into two or more multi-stage areas, and gradually as the water flow proceeds from the joke to the lower stage.
- the topography itself is processed to take a form in which water purification proceeds.
- the terrain near the inlet is a multistage purification facility, and water quality purification is performed before contaminated water flows into lakes, etc. It is intended to prevent the polluted water area from expanding.
- plant groups, microorganism groups, and bacteria groups suitable for eliminating the contamination state at the application location are prepared in combination at each stage, and these plant groups, microorganism groups, and bacteria are prepared at each stage.
- the environmental conditions suitable for the growth of the class are prepared.
- certain plants, microorganisms, and bacteria that have a water purification function can be obtained by placing porous ceramic fragments on the bottom of the applicable water area. It creates a base environment that is easy to grow and reproduce, and aerodynamics are created by the flow of water over the steps to absorb oxygen appropriately in the water, ensuring the respiration of plant roots, microorganisms, and bacteria.
- This multi-stage sewage purification system uses the natural topographical conditions of the applicable water area to the utmost, and does not employ measures that have a large impact on the environment, such as large-scale excavation work or concrete topographic deformation work. .
- the plant floating islands of the present invention are also used together to grow appropriate plants, microorganisms, and bacteria according to the pollution status for water purification.
- the total number of roots during water purification cultivation ⁇ Ni 3 ⁇ 4 y
- the length was 2.04m / pipe, but it was 120.29m / pipe 80 days after the start of the experiment, growing about 59 times.
- the total weight of the plant was 29g / pipe.
- 176g / book increased.
- the TN purification rate is about 70%.
- Applicable plants incense, rose, jasmine, coffee beans, aloe, gazania, etc.
- the experiment was conducted from August 2004 to January 2005 at Tsugaike, Yunnan, China.
- the plant floating island of the present invention was installed in 2% of the eutrophic water area by about 300 rrf of nitrogen gallium, and the above plants were planted and grown.
- the water purification effect of the applied water area after 5 months from the start of the experiment is as follows.
- Raw water Treated water removal rate 1.815 0.177 90.2%
- the annual average water temperature is 0 ° C or higher
- various plants used in the present invention are eutrophication-polluted with living wastewater in an environmental condition where they can survive and grow.
- Proper water purification is possible for lakes, rivers with slow flow, park ponds, dam lakes, etc., and basic structures are constructed with recycled products. Therefore, effective implementation can be achieved at the cost of one tenth of the existing water purification system.
- the purification effect is several tens of times that of aquatic plants, and the range of plant selection is greatly expanded. In other words, harvestable plants that can be expected to have economic effects, and plants that have the ability to absorb special components such as heavy metals can be used appropriately. Therefore, the economic effect of harvesting can be expected at the water purification plant.
- the plant floating island of the present invention can be installed even in a lake with strong wave winds, etc., and it can be provided as a maintenance passage by appropriately providing a work passage.
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Microbiology (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Biodiversity & Conservation Biology (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Biotechnology (AREA)
- Botany (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Biological Treatment Of Waste Water (AREA)
- Hydroponics (AREA)
- Aeration Devices For Treatment Of Activated Polluted Sludge (AREA)
Abstract
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Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNA2006800568884A CN101610985A (zh) | 2006-12-28 | 2006-12-28 | 利用各种植物、微生物的水质净化机能,综合改善富营养化污染水域的水质净化系统 |
PCT/JP2006/326411 WO2008081554A1 (ja) | 2006-12-28 | 2006-12-28 | 各種植物および微生物の水質浄化機能を利用した富栄養化汚染水域の総合的水質改善システム |
AU2006352538A AU2006352538A1 (en) | 2006-12-28 | 2006-12-28 | System for improving total water qualities in eutrophicated and contaminated water area utilizing water purifying functions of various plants and microorganisms |
US12/521,432 US20110011780A1 (en) | 2006-12-28 | 2006-12-28 | System for improving total water qualities in eutrophicated and contaminated water area utilizing water purifying functions of various plants and microorganisms |
JP2008552011A JPWO2008081554A1 (ja) | 2006-12-28 | 2006-12-28 | 各種植物および微生物の水質浄化機能を利用した富栄養化汚染水域の総合的水質改善システム。 |
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PCT/JP2006/326411 WO2008081554A1 (ja) | 2006-12-28 | 2006-12-28 | 各種植物および微生物の水質浄化機能を利用した富栄養化汚染水域の総合的水質改善システム |
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US (1) | US20110011780A1 (ja) |
JP (1) | JPWO2008081554A1 (ja) |
CN (1) | CN101610985A (ja) |
AU (1) | AU2006352538A1 (ja) |
WO (1) | WO2008081554A1 (ja) |
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JP2015029930A (ja) * | 2013-07-31 | 2015-02-16 | 小松精練株式会社 | 浮体式水浄化装置 |
CN106010809A (zh) * | 2016-06-30 | 2016-10-12 | 山东胜伟园林科技有限公司 | 一种含巨大芽胞杆菌的清淤剂及其在排盐暗管中的应用 |
CN109607789A (zh) * | 2018-12-29 | 2019-04-12 | 苏州科技大学 | 高效氮循环细菌的生态床 |
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AU2006352538A1 (en) | 2008-07-10 |
CN101610985A (zh) | 2009-12-23 |
JPWO2008081554A1 (ja) | 2010-04-30 |
US20110011780A1 (en) | 2011-01-20 |
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